Replace unimplemented cloud printing with Draw & Print on the paywall.

The premium feature list should reflect capabilities that exist in the app.

Co-authored-by: Cursor <cursoragent@cursor.com>

smart_printer/PaywallView.swift

@@ -1029,7 +1029,7 @@ final class PaywallView: NSView, AppearanceRefreshable {
         let features = [
             "Unlimited high-quality scans",
             "Advanced OCR technology",
-            "Direct cloud printing",
+            "Draw & print canvas",
             "Ad-free experience",
             "Priority support",
             "Secure storage",